<template>
  <a-layout>
    <a-layout-content
        :style="{ background: '#fff', padding: '24px', margin: 0, minHeight: '280px' }"
    >
      <p>
        <a-form layout="inline" :model="param">
          <a-form-item>
            <a-input v-model:value="param.name" placeholder="名称">
            </a-input>
          </a-form-item>
          <a-form-item>
            <a-button type="primary" @click="handleQuery({page: 1, size: pagination.pageSize})">
              查询
            </a-button>
          </a-form-item>
          <a-form-item>
            <a-button type="primary" @click="add()">
              新增
            </a-button>
          </a-form-item>
        </a-form>
      </p>
      <a-table
          :columns="columns"
          :row-key="record => record.id"
          :data-source="ebooks"
          :pagination="pagination"
          :loading="loading"
          @change="handleTableChange"
      >
        <template #cover="{ text: cover }">
          <img v-if="cover" :src="cover" alt="avatar" />
        </template>
        <template v-slot:category="{ text,record }">
          <span>{{ getCategoryName(record.category1Id) }}/{{ getCategoryName(record.category2Id) }}</span>
        </template>
        <template v-slot:action="{ text, record }">
          <a-space size="small">
            <a-button type="primary" @click="showModal(record)">
              编辑
            </a-button>
            <a-popconfirm
                title="删除后将不可恢复，确认删除？"
                ok-text="是"
                cancel-text="否"
                @confirm="handleDelete(record.id)"
                @cancel="cancel"
            >
              <a-button type="danger">
                删除
              </a-button>
            </a-popconfirm>
          </a-space>
        </template>
      </a-table>
    </a-layout-content>
  </a-layout>
  <div>
    <a-modal v-model:open="open" title="Title" :confirm-loading="confirmLoading" @ok="handleOk">
      <a-form :model="ebooks" :label-col="{ span: 6}" :wrapper-col="{ span: 18}">
      <a-form-item label="封面">
        <a-input v-model:value="ebooks.cover"/>
      </a-form-item>
      <a-form-item label="名称">
        <a-input v-model:value="ebooks.name"/>
      </a-form-item>
        <a-form-item label="分类">
          <a-cascader
              v-model:value="categoryIds"
              :field-names="{label:'name',value:'id',children:'children'}"
              :options="level1"
          />
        </a-form-item>
      <a-form-item label="描述">
        <a-input v-model:value="ebooks.description" type="textarea"/>
      </a-form-item>
      </a-form>
    </a-modal>
  </div>

</template>

<script lang="ts">
import { defineComponent, onMounted, ref } from 'vue';
import axios from 'axios';
import {message} from "ant-design-vue";
import {Tool} from "@/util/tool";

export default defineComponent({
  name: 'AdminEbook',
  setup() {
    const ebooks = ref();
    const pagination = ref({
      current: 1,
      pageSize: 4,
      total: 0
    });
    const loading = ref(false);
    const columns = [
      {
        title: '封面',
        dataIndex: 'cover',
        slots: { customRender: 'cover' }
      },
      {
        title: '名称',
        dataIndex: 'name'
      },
      {
        title: '分类',
        slots: {customRender: 'category'}
      },
      {
        title: '文档数',
        dataIndex: 'docCount'
      },
      {
        title: '阅读数',
        dataIndex: 'viewCount'
      },
      {
        title: '点赞数',
        dataIndex: 'voteCount'
      },
      {
        title: 'Action',
        key: 'action',
        slots: { customRender: 'action' }
      }
    ];
    /**
     * 数据查询
     **/
    const handleQuery = (params: any) => {
      loading.value = true;
      axios.get("/ebook/list", {
        params: {
          page: params.page,
          size: params.size,
          name: param.value.name
        }
      }).then((response)=>{

        loading.value = false;
        const data = response.data;
        if(data.success) {
          ebooks.value = data.content.list;

          // 重置分页按钮
          pagination.value.current = params.page;
          pagination.value.total = data.content.total;
        }else {
          message.error(data.message);
        }

      });
    };
    /**
     * 表格点击页码时触发
     */
    const handleTableChange = (pagination: any) => {
      console.log("看看自带的分页参数都有啥：" + pagination);
      handleQuery({
        page: pagination.current,
        size: pagination.pageSize
      });
    };

    const modalText = ref<string>('test');
    const open = ref<boolean>(false);
    const confirmLoading = ref<boolean>(false);

    const showModal = (record:any) => {
      open.value = true;
      ebooks.value = Tool.copy(record);
      categoryIds.value = [ebooks.value.category1Id,ebooks.value.categroy2Id]
    };

    const add = () => {
      open.value = true;
      ebooks.value= {};
    }

    const handleOk = () => {
      confirmLoading.value = true;
      ebooks.value.category1Id = categoryIds.value[0];
      ebooks.value.category2Id = categoryIds.value[1];
      axios.post("/ebook/save",ebooks.value).then((response)=>{
        confirmLoading.value = false;
        const data = response.data;
        if(data.success){
          open.value = false;

          //重新加载列表
          handleQuery({
            page: pagination.value.current,
            size: pagination.value.pageSize,
          });
        }else {
          message.error(data.message);
        }
      });
    };
      const handleDelete = (id: number) =>{
        axios.delete("ebook/delete/"+id).then((response)=> {
          const data = response.data;
          if (data.success){
          //重新加载列表
          handleQuery({
            page: pagination.value.current,
            size: pagination.value.pageSize,
          });
        }
      });
  };

          const confirm = (e: MouseEvent) => {
            console.log(e);
            message.success('Click on Yes');
          };

          const cancel = (e: MouseEvent) => {
            console.log(e);
            // eslint-disable-next-line no-undef
            message.error('您取消了删除操作');
          };

          const param = ref();
          param.value = {};

          onMounted(() => {
            handleQueryCategory();
            handleQuery({
              page: 1,
              size: pagination.value.pageSize,
            });
          });

    const categoryIds = ref();
    const level1 = ref();
    let categorys: any;
           /**
            * 查询所有分类
            **/


    const handleQueryCategory = () => {
      loading.value = true;
      axios.get("/category/all").then((response) => {
        loading.value = false;
        const data = response.data;
        if (data.success) {
          categorys = data.content;
          console.log("原始数据: ", categorys);

          level1.value = [];
          level1.value = Tool.array2Tree(categorys, 0);
          console.log("树形结构:", level1.value);
        } else {
          message.error(data.message);
        }
      });
    };

    const getCategoryName = (cid: number) => {
      // console.log(cid)
      let result = "";
      categorys.forEach((item: any) => {
        if (item.id === cid) {
          result = item.name;
        }
      });
      return result;
    };


    return {
            ebooks,
            pagination,
            columns,
            loading,
            handleTableChange,
            showModal,
            handleOk,
            confirmLoading,
            modalText,
            open,
            add,
            handleDelete,
            confirm,
            cancel,
            handleQuery,
            param,
            categoryIds,
            level1,
            getCategoryName
          }
        }
      });

</script>
<style scoped>
img {
  width: 50px;
  height: 50px;
}
</style>